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Finding the Fourth Proportional to 60,630.66, 90,471.81 and 54,326.45

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Solution

The fourth proportional to 60,630.66, 90,471.81 and 54,326.45 is: 81,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.66 : 90,471.81 = 54,326.45 : x
  2. Step 2: Convert to fraction form
    60,630.66/90,471.81 = 54,326.45/x
  3. Step 3: Cross multiply
    60,630.66x = 90,471.81 × 54,326.45
  4. Step 4: Simplify right side
    60,630.66x = 4,915,012,262.37
  5. Step 5: Solve for x
    x = 4,915,012,262.37/60,630.66
  6. Step 6: Final answer
    x = 81,064.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.